The tens of millions of Americans who live in neglected ...

[vicky]

The tens of millions of Americans who live in neglected neighborhoods and who are of low socioeconomic status
 
  tend to contract some of the same diseases as healthier Americans but at a
  younger age.
  tend to live as much as 30 years less than the 10 million healthiest Americans.
  are spared certain diseases of affluence.
  experience higher vitality and higher mortality.

Question 2

A major safeguard of health, vitality, and reduced rates of chronic illness and disability is
 
  living in the countryside rather than in a city.
  consuming adequate fresh fruits and vegetables daily.
  maintaining a healthy weight and exercising regularly.
  high socioeconomic status.

[nikmaaacs]

Answer to Question 1

tend to live as much as 30 years less than the 10 million healthiest Americans.

Answer to Question 2

high socioeconomic status.

[vicky]

Great answer, keep it coming

[amandalm]

Thanks for the timely response, appreciate it